
Expansion of NK cells by engineered K562 cells co-expressing 4-1BBL and mMICA, combined with soluble IL-21
Keywords: NK cell; natural killer cell; 4-1BBL; 4-1BB ligand; mMICA; membrane-bound MHC class I chain-related protein A; sIL-21; soluble interleukin 21; PBMCs; peripheral blood mononuclear cells; sMICA; soluble MICA; ADCC; Ab-depend cell cytotoxicity; TNF; tumor ne